Satriani and Marshall tweaked a classic to create a new generation of tone.

The Marshall JVM410H Joe Satriani Edition 100W head is an addition to the Marshall Signature Series. Marshall's R&D engineers worked vefry closely with Satriani to craft the JVM410HJS. After much experimentation and an assortment of trials that involved Satriani using prototypes during recording and touring, they signed off on the final version and the JVM410HJS went into production.

The most notable difference from the original JVM410 is that the reverb pots have been replaced with four nose gates, one for each channel, and each with their own threshold. A Mid Shift button has been added and can be used with both the OD1 and OD2 channels.

The Clean channel is based on the 6100 when on the green mode, with the orange and red modes being hotter variations. The Crunch channel takes the original JVM410 crunch and adds some of the popular Marshall "AFD" circuit to it. The OD channels are voiced identically, based on the JVM410 OD1 but with the gain scaled back slightly and a smoother transition between modes. The Mid Shift button determines the difference in mid character between the original JVM410 OD1 and OD2 tone, moving the mids from around 650khz (Mid Shift off) to around 500khz (Mid Shift on).

The JVM410HJS is powered by EL34 tubes and has two Master volumes, the supplied footswitch allows you to switch between Channels, Modes, Master Volumes, FX loop and now the Noise Gates and Mid Shift as well. There is also a full MIDI implementation.

The best Marshall ever. I have gigged with the original JVM410H for years and it sounds great. It was a bit of a noisy beast on the high gain channels. Then I tried the new JVM410HJS the those noise gates make a huge difference. Not to mention that this amp is punchier and cleaner sounding. Thanks Joe Satriani for making the best amp any guitarist could ask for. This amp is staying with me for life!!!

I searched far and wide for this amp at my local music stores to try it out before buying it. I perform in the Washington DC area and many of my band's gigs are played with sketchy power. Hum is a constant issue (although I now have a top end Furman) and the noise gates appealed to me. All I can say is "Wow!". I bought it without playing it and was a bit worried laying down this kind of money for an amp that I have no idea about. No more. The clean channel is amazing and the crunch channel delivers. My top of the line front end pedals (many are keeley modded) sound wonderful! Oh, and with the Furman, I don't need to engage the noise gates (but they are there for me if I do). I use it with an Orange cabinet (2x12 16 ohm)for ease of transport or my Marshall (4x12) when I am doing larger venues. I expect that it will be like my flying Vee, a piece of equipment that I own forever. Amazing tone from an amazing amp. What's not to like! Great job Joe!!!!

The honeymoon period is over & I still play it for HOURS a day! I love it, a keeper for sure. The BEST all around head I have ever played through or owned. It has every tone I will ever need and they ALL sound great! Finding the nearly perfect amp I could afford was a long journey. Here is a list of some other high gain heads I have owned or have had some experience with -

The Blackstar had a solid state-ish tone I could never really love. I was never impressed by the Mesa rack stuff especially for the $$. The Ubershall has one of the best distortion tones I've ever heard & a nice clean as well. However, it is expensive, also a bit stiff & unforgiving and has limited switching functions. The Carvin has a nice clean and the best effects loops on any amp I ever used. Very versatile. I'm very impressed by the tone and build quality of the Jet City amps, but they have limited funtions. I could never coax a tone I really liked from the Marshall DSL. The JCM800 is a one trick pony. The same can be said about the Rectifier. So I tried the JVM410H and loved it, especially the clean channel. The crunch wasn't so good. The overdrive channel is great except for the uncontrollable feedback and loud hiss at just about any volume. It was totally useless with the gain past 10 o'clock. It's not worth the price unless you can mod it yourself. So I waited...

When the JS version came out I didn't immediately jump on board because I'm not a Satch fan. I really like classic metal & hard rock tones. (Priest, Sabbath, Queen and "newer" stuff like Mercyful Fate/King Diamond, early Megadeth, Metallica's first three albums etc) and the JVM410HJS delivers that tone in spades. And more!

A review of the channels -

CLEAN - This is the Marshall 30th Anniversary 6100's clean channel, Joe's favorite clean tone. I find it a bit bright in the green mode so I use the amber mode which is a bit darker but still very clean. I don't use the red mode much, it has a lot more gain & volume. Overall this is a very good and useable clean tone that takes pedals well. Better than either Ubershall or Carvin V3 IMO. I really liked the clean on the original JVM but I think this will cut through a mix better during a live set.

CRUNCH - I LOVE this channel. Words can't describe it. The clean & crunch channels alone are better than most amps on the market today! Green mode is a type of JMP tone. Amber nails the JCM800. Red is a "modded" 800. Similar to the AFD circuit on the Slash head. All three modes are awesome. Some of the best rock, hard rock & classic metal tones can be found right here.

OD1 & OD2 - Unlike the stock JVM, the JS has both OD channels voiced the same. Brilliant! For fans of the stock OD2- BOTH channels can use a switchable mid-shift button to get the EQ curve of the original OD2! Awesome! The OD channels were the downside of the original. The gain was unusable past 10 o'clock or so. It would hiss and feedback like crazy. Even the ISP Decimator didn't fully eliminate this. The JS has reduced the gain a bit and now the entire gain range is usable. This channel CAN do metal BTW. It has a very heavy but refined tone.

Extras -

NOISE GATES - These are a God-send. These work better than an ISP Decimator. I think the inclusion of separate studio quality noise reduction FOR EACH CHANNEL puts this amp over the top. The hiss is gone and the only feedback one gets is controllable (the kind you want)

FOOTSWITCH - Preset memory. Connects to the amp using a standard guitar cord. It seems to be built very strong. The JVM series are also midi switchable so instead of the included footswitch I'm using a Behringer 1010 Midi Foot-control Board for presets, master volumes, effects etc.

PROGRAMABLE SERIES EFFECTS LOOP - A T.C.Electronics G-Major through the loop of this head with a JCM900 4x12 cab (The amp was voiced using this cab with stock speakers. The scooped tone of these speakers mesh perfectly with the pronounced midrange this head produces.)....................

It even comes with a nice looking cover to protect it when the amp isn't being used! So far I haven't used the cover, I can't stop playing it long enough!

I still have a JVM 205h and love that head when pedals are in front such as EQ and Tube Screamer. The JVM original line sounds like a blanket is smothering the tone so you need something in front. The JS model modes are totally redesigned. I find the clean green mode with a strat has Fender Twin sparkle with a bit of compression. The amp really shines on the Crunch channel. Lot's of punch. The orange and red modes are modeled after a JCM 800 and 800 modded respectively. Awesome sound straight in with Les Paul or Strat and gain below 11-12 o'clock. The od1 and od2 modes are great with the gain under or around 10. That is still the only drawback on the head. If you turn the gain up past 12 o'clock on any channel except the clean it is unusable IMO. The built in noise gates are a nice touch since most people run effects into the loop like I do.Now this point is where the JVM line really shines. Marshall really new what a working musician needs. I am in several cover bands and being able to get the most out of the head by using every mode is essential. The implementation of midi control of the head was one of the main factors in purchasing the head. I use a Line 6 POD HD 500 to change modes during a performance with different effects on each preset. The pedal is really worth it if you have a JVM. You'll think your playing at least 4 different Marshall's and really the tones are unlimited. I don't use the provided foot switch because I don't want to tap dance during a show.I upgraded from the 205h because one of the cover bands I am in does heavier stuff and larger venues and the 205h is a 50Watt. I would find my volume levels almost dimed sometimes. The JS has BONE SHAKING power with plenty to spare.In closing I want to add how great Musician's Friend is and the customer support is, IMO the best. I won't go into detail but I had an issue with the first head and they really took care of me! Thank you MF!! This is one of the reasons I have been a loyal customer for at least 18 years.

This is a stunning joe satriani tuned Mk2 version of the original flawed JVM. This amp runs silent with the noise gates activated. Marshall should ditch the original JVM and just sell the satch version, then reel out a combo, 2 channel and 50watt variants.

I would also like to see a rack mounted stereo preamp version of this amp to partner with the EL34 20/20 50/50 and 100/100 power amps.

The amp has loads more grunt compared to the original JVM, I find it too loud for home use, 9pm master volume and 12pm channel volume hurts the ears. I am using the excellent 1960A-DM 4x12 cab.

Well, First let me say that this is my first tube amp I have ever owned, and I took almost a year to research and try every tube amp I could get a hold of, and this amp was exactly what I was looking for. I tried Engl Powerballs, Carvin V3's, EVH 5150's , Mesa Boogie Roadking and Mark V' etc. and then I tried a Marshall 410H. The tone blew me away with the tightness it produced and searing gain, but......It was a noisy, hissing, out of control mess. I ultimately bought the JVM410HJS based on the reviews that it was the "upgraded" version of the 410H, and I have had it about 3 weeks, and I must say I completely agree. No noise, no hiss, the amount of gain is tremendous, and has noise gates if you really need them to completely stop any noise or hiss, which they do great. There are plenty of reviews on this amp available with a little searching online, so I will not go into that here. I have seen where some folks have said that the gain on this amp is not as much as the 410H. Well, what I would say is not all the gain on the 410H is usable, on the 410HJS it is. There is plenty of gain here for modern metal and probably by adding a touch of overdrive pedal (like a Tube screamer in front) can take the amp into death metal territory. The crunch channel is one of my favorites, and gives that great JCM 800 and Hot Rodded sound reminiscent of 80's hard rock and metal bands. I bought a restock head, and it came from musician friend looking, smelling and acting like brand new. Everything works great. And I purchased a 3 year warranty which covers any problems at all. I'll post an update as I use the amp more, but would say that the distortion is tight, maybe not as tight as the 410H, but when I added an overdrive pedal feeding in, the attack "feel" was much crisper). Playing the OD channels in orange or red modes has a quite tight feel. So, if you are considering the 410h and don't want to struggle with controlling the noise/hiss, consider this amp. Joe Satriani, basically corrected this amp's weaknesses and improved it by simply backing off the gain slightly and adding noise gates. This amp really roars, so be kind to your neighbors. Channel Volume and Master Volumes allow you to drive the channels while keeping the amp volume low should you desire, but you really need to crank it up to really appreciate the tones of the amp. I am using no effects or signal processors at all with the amp, just my John Petrucci Music Man Guitar, and It sounds killer. I play mainly classic rock and progressive/power metal, and this amp is perfect for this.

I've had this amp for about 2 weeks. I read all of the reviews in the magazines and must say it lives up to all of the hype. Very versatile-you can get so many different sounds out of it-from amazing cleans to down and dirty metal. There is no reverb, Joe replaced it with noise gates-and they work wonderfully. The 6-button pedal is so easy to program. The silent recording mode works great! It's expensive, but it works wonderfully, is built like a tank (in England, not subcontracted to a pacific nation) and provides wonderful tones. The master volume allows you to crank the channel volumes and still maintain your sanity when practicing in a smaller environment without the need for a power brake or hot plate. All in all, there are very few musical items I have spent this much for that I have felt were worth every penny...but this is one of them. Have played through it with my '57 Les Paul Reissue and '99 American Strat, both sounded amazing. Utilizing the crunch channel with my Kramer Nightswan brought back the 80's by sounding like the shredder guitar being played through a cranked JCM800...and there's still the two OD channels after that. If you are considering this amp and you have the means to get it, don't hesitate...it's worth it!

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